69 lines
2.0 KiB
Bash
Executable File
69 lines
2.0 KiB
Bash
Executable File
#! /bin/bash
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# ofdm_check
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#
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# A series of checks of the ofdm functions, mostly decode.
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#
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# This uses ofdm_mod to supply test data to ofdm_demod and mostly
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# assumes that the encode function is correct.
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# Define macros to (later) allow testing alternate versions.
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alias OFDM_MOD=ofdm_mod
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alias OFDM_DEMOD=ofdm_demod
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shopt -s expand_aliases
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# PATH
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PATH=$PATH:../src
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PASS=1
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###############################
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echo
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echo "Simple test, plain, ideal"
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OFDM_MOD --in /dev/zero --testframes 100 |
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OFDM_DEMOD --out /dev/null --testframes --verbose 1 2> tmp
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cat tmp
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p1=$(grep '^BER\.*: 0.000' tmp | wc -l)
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p2=$(grep '^BER2\.*: 0.000' tmp | wc -l)
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if [[ $p1 -eq 1 && $p2 -eq 1 ]]; then echo "OK"; else echo "BAD"; PASS=0; fi
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###############################
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echo
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echo "Simple test, plain, AWGN"
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OFDM_MOD --in /dev/zero --testframes 100 |
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cohpsk_ch - - -20 -Fs 8000 -f -5 |
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OFDM_DEMOD --out /dev/null --testframes --verbose 1 2>tmp
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cat tmp
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n=$(grep '^BER\.*:' tmp | cut -d ' ' -f 2)
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p1=$(echo $n '<=' 0.10 | bc)
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n=$(grep '^BER2\.*:' tmp | cut -d ' ' -f 2)
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p2=$(echo $n '<=' 0.10 | bc)
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if [[ $p1 -eq 1 && $p2 -eq 1 ]]; then echo "OK"; else echo "BAD"; PASS=0; fi
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###############################
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echo
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echo "Simple test, LDPC, ideal"
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OFDM_MOD --in /dev/zero --ldpc --testframes 100 |
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OFDM_DEMOD --out /dev/null --ldpc --testframes --verbose 1 2>tmp
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cat tmp
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p1=$(grep '^BER\.*: 0.000' tmp | wc -l)
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p2=$(grep '^Coded BER: 0.000' tmp | wc -l)
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if [[ $p1 -eq 1 && $p2 -eq 1 ]]; then echo "OK"; else echo "BAD"; PASS=0; fi
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###############################
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echo
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echo "Simple test, LDPC, AWGN"
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OFDM_MOD --in /dev/zero --ldpc --testframes 100 |
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cohpsk_ch - - -20 -Fs 8000 -f -5 --fading_dir ../../build_linux/unittest |
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OFDM_DEMOD --out /dev/null --ldpc --testframes --verbose 1 2>tmp
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cat tmp
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n=$(grep '^BER\.*:' tmp | cut -d ' ' -f 2)
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p1=$(echo $n '<=' 0.10 | bc)
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n=$(grep '^Coded.*BER\.*:' tmp | cut -d ' ' -f 3)
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p2=$(echo $n '<=' 0.01 | bc)
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if [[ $p1 -eq 1 && $p2 -eq 1 ]]; then echo "OK"; else echo "BAD"; PASS=0; fi
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echo
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if [[ $PASS == 1 ]]; then echo "PASSED"; else echo "FAILED"; fi
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